Guide to the measurement of equivalent electrical parameters of quartz crystal units; identical with IEC 61080:1991
Edition 1993-02

Soil quality - Vocabulary (ISO 11074:2015); Trilingual version EN ISO 11074:2015
Edition 2015-11

Acoustics - Determination of aircraft noise exposure at airfields - Part 2: Determination of acoustic and flight operation parameters; Text in German and English
Edition 2015-12

Optical amplifiers - Test methods - Part 4-1: Gain transient parameters - Two-wavelength method (IEC 61290-4-1:2016); German version EN 61290-4-1:2016
Edition 2017-06

Optical amplifiers - Test methods - Part 3-3: Noise figure parameters - Signal power to total ASE power ratio (IEC 61290-3-3:2013); German version EN 61290-3-3:2014
Edition 2014-11

Optical amplifiers - Test methods - Part 4-2: Gain transient parameters - Broadband source method (IEC 61290-4-2:2011); German version EN 61290-4-2:2011
Edition 2012-04

Optical amplifier - Test methods - Part 1-2: Power and gain parameters - Electrical spectrum analyzer method (IEC 61290-1-2:2005); German version EN 61290-1-2:2005
Edition 2006-07

Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method (IEC 61290-3-1:2003); German version EN 61290-3-1:2003
Edition 2004-05

Digital audio interface - Part 4-4: Professional applications - Physical and electrical parameters (IEC 60958-4-4:2016); German version EN 60958-4-4:2016
Edition 2017-01

Fibre optic interconnecting devices and passive components - Connector optical interfaces - Part 3-32: Connector parameters of non-dispersion shifted single mode physically contacting fibres - Angled thermoset epoxy rectangular ferrules (IEC 61755-3-32:2015); German version EN 61755-3-32:2016
Edition 2016-10